Initial commit
Add requestAnimFrame and AssetManager
Add html and canvas
Install grunt server
Add and load image assets
Full page canvas and black background
Add game engine
Add Entity
Add Player skeleton
Show player and change canvas styles and dimensions
Move player and set player boundires
Move stop progration when it's a real key
Initial asteriod movement and offscreen handling
normalize asteriod speed and angle, and add small asteriods
Stop game
Shoot a bullet
Debug lines.
Check collitions
Laser explodes and asteroid desappear
Split big asteroids into two small ones
Add sound manager and sounds for Asteroid explotion and bullet